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Do the right thing if host-triplet is a i386-i686, but gcc compiles by

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default as x86_64. Fixes configure on Snow Leopard.
This commit is contained in:
asvitkine 2010-07-28 01:07:45 +00:00
parent 853db27159
commit 930374bbc6
1 changed files with 34 additions and 3 deletions
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37
BasiliskII/src/Unix/configure.ac
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@ -103,6 +103,38 @@ case "$target_cpu" in
x86_64* ) HAVE_X86_64=yes;;
esac
dnl Check if we should really be assuming x86_64 even if we detected HAVE_I386 above.
if [[ "x$HAVE_I386" = "xyes" ]]; then
AC_TRY_RUN([
int main(void) {
#if defined(__x86_64__)
return 0;
#else
return 1;
#endif
}
], [
HAVE_I386=no
HAVE_X86_64=yes
])
fi
dnl Check if we should really be assuming x86_64 even if we detected HAVE_I386 above.
if [[ "x$HAVE_I386" = "xyes" ]]; then
AC_TRY_RUN([
int main(void) {
#if defined(__x86_64__)
return 0;
#else
return 1;
#endif
}
], [
HAVE_I386=no
HAVE_X86_64=yes
])
fi
dnl Checks for programs.
AC_PROG_CC
AC_PROG_CC_C_O
@ -980,7 +1012,6 @@ AC_CACHE_CHECK([whether your system supports Mach exceptions],
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_RUN([
#define HAVE_UNISTD_H 1
#define HAVE_MACH_VM 1
#define HAVE_MACH_TASK_SELF 1
#define HAVE_MACH_EXCEPTIONS 1
@ -1325,7 +1356,7 @@ if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
DEFINES="$DEFINES -DUNALIGNED_PROFITABLE -DREGPARAM=\"__attribute__((regparm(3)))\""
if [[ "x$HAVE_GAS" = "xyes" ]]; then
ASM_OPTIMIZATIONS=i386
DEFINES="$DEFINES -DX86_ASSEMBLY -DOPTIMIZED_FLAGS -DSAHF_SETO_PROFITABLE"
DEFINES="-m32 $DEFINES -DX86_ASSEMBLY -DOPTIMIZED_FLAGS -DSAHF_SETO_PROFITABLE"
JITSRCS="cpuemu1_nf.cpp cpuemu2_nf.cpp cpuemu3_nf.cpp cpuemu4_nf.cpp cpuemu5_nf.cpp cpuemu6_nf.cpp cpuemu7_nf.cpp cpuemu8_nf.cpp $JITSRCS"
CAN_JIT=yes
fi
@ -1334,7 +1365,7 @@ elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_X86_64" = "xyes" ]]; then
DEFINES="$DEFINES -DUNALIGNED_PROFITABLE"
if [[ "x$HAVE_GAS" = "xyes" ]]; then
ASM_OPTIMIZATIONS="x86-64"
DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
DEFINES="-m64 $DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
JITSRCS="cpuemu1_nf.cpp cpuemu2_nf.cpp cpuemu3_nf.cpp cpuemu4_nf.cpp cpuemu5_nf.cpp cpuemu6_nf.cpp cpuemu7_nf.cpp cpuemu8_nf.cpp $JITSRCS"
CAN_JIT=yes
fi